Planted Tank Guru
Join Date: Apr 2011
Location: Hamilton, Ontario, Canada
I think you want to run the CO2 into the intake so the impeller breaks up the CO2 bubbles. Some people just rubber band the CO2 tube with a chopstick right near the intake. To make it look better, you could drill a small hole, push the CO2 tube there so it takes the bubbles right up to the impeller.
20g platy, , 2 x 10g shrimp, 3 x 20g shrimp, 7.5g shrimp and 1 great dane/mastiff puppy.
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